fix double include_erts call with vm.args and sys.config config vars
by default do not do app and release discovery under output dir
load scripts from files and templates
add templates
add files
set doc_root on dtl templates
add rebar_vsn_plugin directory to rebar.config
just compile regular files as template modules
fix typo in rel_name tag
assume templates are already compiled, use dtl for files too
unescape quotes